STMicroelectronics

TL431ACCT

TL431ACCT Description

The TL431ACCT from STMicroelectronics is a high-precision, adjustable shunt voltage reference IC designed for surface-mount applications. Packaged in a compact SOT323-6L and available in Tape & Reel (TR), it offers a 2.495V to 36V adjustable output range with a tight ±1% tolerance, ensuring exceptional accuracy. Operating within 0°C to 70°C (TA), this RoHS3-compliant and REACH-unaffected device is ideal for low-power, high-reliability systems. Its shunt reference topology enables flexible integration into voltage regulation and feedback circuits.

TL431ACCT Features

• Adjustable Output Voltage (2.495V–36V): Wide range for versatile design needs.
• High Precision (±1% Tolerance): Ensures stable voltage references in critical applications.
• Low Cathode Current (600 µA): Reduces power consumption for energy-sensitive designs.
• 100 mA Output Current: Supports moderate load requirements.
• Surface-Mount (SOT323-6L): Compact footprint for space-constrained PCBs.
• Wide Operating Temperature (0°C to 70°C): Reliable performance in industrial and consumer environments.
• Shunt Reference Type: Simplifies feedback loop implementation in power supplies.

TL431ACCT Applications

• Voltage Regulation: Used in switching power supplies and linear regulators for precise voltage control.
• Error Amplifiers: Integrates into feedback circuits for DC-DC converters and battery chargers.
• Overvoltage Protection: Acts as a voltage monitor in safety-critical systems.
• Portable Electronics: Ideal for low-power devices due to its minimal cathode current.
• Industrial Controls: Deployed in sensor interfaces and analog signal conditioning circuits.

Conclusion of TL431ACCT

The TL431ACCT stands out for its adjustability, precision, and low power consumption, making it a superior choice for voltage reference and regulation tasks. Its SOT323-6L package and wide voltage range cater to modern surface-mount designs, while its ±1% tolerance ensures reliability in precision applications. Whether in power management, industrial systems, or portable electronics, this IC delivers performance, flexibility, and efficiency, solidifying its position as a go-to solution for engineers.